Variable: gnus-undo-mode
gnus-undo-mode is a customizable and buffer-local variable defined in
gnus-undo.el.gz.
Documentation
Non-nil if Gnus-Undo mode is enabled.
Use the command gnus-undo-mode(var)/gnus-undo-mode(fun) to change this variable.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/gnus-undo.el.gz
(defcustom gnus-undo-mode nil
;; FIXME: This is a buffer-local minor mode which requires running
;; code upon activation/deactivation, so defining it as a defcustom
;; doesn't seem very useful: setting it to non-nil via Customize
;; probably won't do the right thing.
"Minor mode for undoing in Gnus buffers."
:type 'boolean)